The original City of New Orleans is founded on naturally occurring river levees on the Mississippi River in the lower delta. It was surrounded by lower swampy delta land in a hot subtropical climate and would seem to be a foolish place to put a city. And yet history indicates that the have been compelling reasons for one of the more iconic cities in North America. Question: How has marine shipping impacted the development and environment of New Orleans? But sure to understand the impact of the Panama Canal expansion. Also be sure to explain MR-GO. Use credible sources and peer reviewed if possible.